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Kathy is a repair technician for a phone company,
Each weck, she receives a batch of phones that need
repairs. The number of phones that she has left to fix
at the end of each day can be estimated with the
equation P = 108 - 23d, where P is the number of
phones left and d is the number of days she has
worked that week. What is the meaning of the
value 108 in this equation?​